staunch

apoiador fiel

a very loyal and committed supporter

um apoiador muito leal e comprometido

a very loyal and reliable ally

a firm and dedicated supporter of a cause or person

a very firm and determined opponent

someone with very strong conservative political views

defesa robusta

a very strong and resolute defence

uma defesa muito forte e resoluta

someone with a very strong and unwavering belief

someone with very strong socialist political views

recusa firme

a very firm and unwavering refusal

uma recusa muito firme e inabalável

to stop or slow down the flow of blood from a wound

to stop or slow down the movement of a liquid